package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/*
* 菜品管理
* */
@RestController
@RequestMapping("admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;
    /**
    * 新增菜品
    * @param dishDTO
    * @return Result
    */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);

        String key = "dish" + dishDTO.getCategoryId();
        clearCache("dish*");

        dishService.saveWithFlavor(dishDTO);
        return Result.success();
    }

    /**
    * 菜品分页查询
    * @param dishPageQueryDTO
    * @return Result<PageResult>
    */
    @GetMapping("/page")
    @ApiOperation("菜品分类查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分类查询");
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
    * 菜品的批量删除
    * @param ids
    * @return Result
    */
    @DeleteMapping
    @ApiOperation("菜品的批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品的批量删除");

        clearCache("dish*");

        dishService.deleteBatch(ids);
        return Result.success();
    }

    /**
    * 根据id查询菜品
    * @param id
    * @return Result<DishVO>
    */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品：{}",id);
        DishVO dishVO = dishService.getByIdWithFlaror(id);
        return Result.success(dishVO);
    }

    /**
    * 菜品修改
    * @param dishDTO
    * @return Result
    */
    @ApiOperation("菜品修改")
    @PutMapping()
    public Result update(@RequestBody DishDTO dishDTO){
        dishService.updateWithFlavor(dishDTO);

        clearCache("dish*");

        return Result.success();
    }

    /**
    * 根据分类id查询菜品
    * @param categoryId
    * @return Result<List<Dish>>
    */
    @ApiOperation("根据分类id查询菜品")
    @GetMapping("/list")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /*
    * 菜品起售停售
    * */
    @PostMapping("/status/{status}")
    @ApiOperation("商品状态修改")
    public Result startOrStop(@PathVariable Integer status,Long id){
        dishService.startOrStop(status,id);

        clearCache("dish*");

        return Result.success();
    }

    /**
    * 清理缓存
    * @param pattern
    * @return void
    */
    private void clearCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
